|Panda 1||24th February 2011|
|Panda 2.0||11th April 2011|
|Panda 2.1||9th May 2011|
|Panda 2.2||18th June 2011|
|Panda 2.3||22nd July 2011|
|Panda 2.4||August 2011|
|Panda 2.5||28th September 2011|
|Panda 2.5.1||9th October 2011|
|Panda 2.5.2||13th October 2011|
|Panda 2.5.3||19 & 20th October 2011|
|Panda 3.1||18th November 2011 |
|Panda 3.2||15th January 2012|
|Panda 3.3 ||26th February 2012|
|Panda 3.4 ||23rd March 2012|
|Panda 3.5 ||19th April 2012|
|Panda 3.6 ||27th April 2012|
|Panda 3.7 ||8th June 2012|
|Panda 3.8 ||25th June 2012|
|Panda 3.9 ||24th July 2012|
|Panda 3.9.1 ||20th August 2012|
|Panda 3.9.2||18th September 2012|
|Panda Update 20||27th September 2012|
|Panda 21||5th November 2012|
|Panda 22||4th December 2012|
|Panda 23||21st December 2012|
|Panda 24||22nd Jan 2013|
|Panda 25||25th March 2013|
|Panda 26||18th July 2013|
|Panda 4.0||20th May 2014|
|Panda 4.1||25th September 2014|
|Panda 4.2||18th July 2015|
Google Penguin Update: The Penguin algorithm was first released on April 24, 2012. This focus on to decrease the raking of the website in search engines which has low quality and unnatural backlinks. In other words, it denotes the website in Google, which use black hat technique to gain advantages in Google search results.
History of the Google Penguin Algorithm Updates: -
Penguin 1.0 - April 24, 2012
Penguin 1.1 - May 26, 2012, Penguin 1.2 - October 5, 2012
Penguin 1.2 - October 5, 2012
Penguin 2.0 - May 22, 2013
Penguin 2.1 - Oct. 4, 2013
Penguin 3.0 - October 17, 2014
Penguin 4.0 & real-time on September 23, 2016
Google Hummingbird: - Google Hummingbird Algorithm came in existence on 17th September 2013 (15th birthday of Google). This is a reward - based change as its main purpose is to focus on conversational searches (in other words it focus on synonyms) rather than keywords-based search. The websites that fit in Hummingbird criteria gain ranking and others will remain unaffected.
Google Pigeon Update: - Google Pigeon Algorithm Launched on 24th July 2014. This update effects on search results of Google Map. It aimed to enhance the ranking of local listing in Google.
Google Mobile-Friendly Update: - Google revealed a new mobile-friendly ranking algorithm on April 21, 2015. The main purpose of this algorithm is to boost the websites that have mobile-friendly pages.
Google Payday Update: - Google released Payday Loan Algorithm on June 11, 2013, to penalize the lower quality websites that utilize Black Hat SEO techniques (also known as spam techniques).
Google EMD (Exact Match Domain) Update: - Google rolled out an update in September 2012 called EMD Update - is a filter that penalized poor quality website from ranking higher in the search engine because they had exact match search terms in their domain names.
The best advice for SEO to always keep in mind these search engine algorithms to get well rank in Google.